Araneae
SPIDERS; MESOTHELAE; MYGALOMORPHAE; ARANEOMORPHAE
Life   Arachnida

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© John Pickering, 2004-2019 · 1
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© John Pickering, 2004-2019 · 0
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Nephila clavipes, Golden Silk Orbweaver, female
© John Pickering, 2004-2019 · 1
Nephila clavipes, Golden Silk Orbweaver, female
Kinds
Overview
Spiders are a group of Arachnida. Spiders make use of silk that they spin to fly or catch insects. Most spiders are terrestrial, but some have adapted to freshwater by trapping air bubbles and carrying these bubbles with them. Spiders occur worldwide and about 34,000 species have been identified. Spiders have eight legs, anterior appendages bearing fangs and poison glands, and specialized reproductive organs on the second second appendages of the male. Most spiders have a body length of less than 1 cm, but the largest spider has a body length of about 9 cm. Spider leg length, however, can be much greater than that. Spiders are carnivorous and feed on living prey. The bite of a spider can be painful, but most are too small to break the human skin. Even fewer spiders are dangerous to humans.

Phylogeny
Scientific Name -- Common Name
Arthropoda -- Arthropods

Photographs
Spider
John Pickering, 2006
Spider
John Pickering, 2006

Links to other sites

Acknowledgements
We thank Justin Long, John Pickering & Cassie Lloyd for technical support in developing this page.

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Updated: 2020-01-18 15:11:43 gmt
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